1149729 has 16 divisors (see below), whose sum is σ = 1786752. Its totient is φ = 643968.

The previous prime is 1149689. The next prime is 1149737. The reversal of 1149729 is 9279411.

It is not a de Polignac number, because 1149729 - 2⁷ = 1149601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1149729.

It is not an unprimeable number, because it can be changed into a prime (1149749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597 + ... + 1629.

It is an arithmetic number, because the mean of its divisors is an integer number (111672).

2^1149729 is an apocalyptic number.

It is an amenable number.

1149729 is a deficient number, since it is larger than the sum of its proper divisors (637023).

1149729 is a wasteful number, since it uses less digits than its factorization.

1149729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its digits is 4536, while the sum is 33.

The square root of 1149729 is about 1072.2541676300. The cubic root of 1149729 is about 104.7607249933.

The spelling of 1149729 in words is "one million, one hundred forty-nine thousand, seven hundred twenty-nine".